No internet connection on Ubuntu

[evgkhm]

When app connected to my VPS server using AmneziaWG no internet on Ubuntu. But on another devices (iOS, MAC) it works perfectly. It looks like internet is blocking, because when I start pinging or try to open iptables on terminal they are blocking and don't do anything until I turn off the button in app.

OpenVPN over Cloak and Amnezia Free v3 works, another methods don't.

Steps to reproduce the behavior:

1. Install AmneziaVPN_4.8.2.3_Linux_installer
2. Import connection config
3. Press "Connect"

Expected behavior: Access to internet using AmneziaWG.

Log files
2025-01-13 10:38:53 debug LocalServer new connection
2025-01-13 10:38:53 debug Amnezia "DaemonLocalServer" "New connection received"
2025-01-13 10:38:53 debug Amnezia "DaemonLocalServerConnection" "Connection created"
2025-01-13 10:38:53 debug Amnezia "DaemonLocalServerConnection" "Read Data"
2025-01-13 10:38:53 debug Amnezia "DaemonLocalServerConnection" "Command received: status"
2025-01-13 10:38:53 debug Amnezia "Daemon" "Status request"
2025-01-13 10:38:53 debug Amnezia "DaemonLocalServerConnection" "Read Data"
2025-01-13 10:38:53 debug Amnezia "DaemonLocalServerConnection" "Command received: activate"
2025-01-13 10:38:53 debug Amnezia "Daemon" "Activating interface"
2025-01-13 10:38:53 debug Amnezia "WireguardUtilsLinux" "Created wireguard interface amn0"
2025-01-13 10:38:53 debug Amnezia "LinuxRouteMonitor" "LinuxRouteMonitor created."
2025-01-13 10:38:53 debug Amnezia "LinuxRouteMonitor" "Adding exclusion route for /32"
2025-01-13 10:38:53 debug Amnezia "WireguardUtilsLinux" "Configuring peer C9I9PfDjGHStnsOMU6iud5MZRULN2p8zh8l3KAbt6CY= via "
2025-01-13 10:38:53 debug Amnezia "LinuxRouteMonitor" "Adding exclusion route for /32"
2025-01-13 10:38:53 debug Amnezia "LinuxRouteMonitor" "Adding exclusion route for /999999"
2025-01-13 10:38:53 debug Amnezia "LinuxRouteMonitor" "Invalid destination prefix"
2025-01-13 10:38:53 debug Amnezia "LinuxRouteMonitor" "Netlink request failed: Network is unreachable"
2025-01-13 10:38:53 debug Amnezia "LinuxRouteMonitor" "Netlink request failed: Network is unreachable"
2025-01-13 10:38:53 debug Amnezia "DnsUtilsLinux" "Adding DNS resolver 1.1.1.1 via amn0"
2025-01-13 10:38:53 debug Amnezia "LinuxRouteMonitor" "Adding route to 0.0.0.0/1"
2025-01-13 10:38:53 debug Amnezia "LinuxRouteMonitor" "Adding route to 128.0.0.0/1"
2025-01-13 10:38:53 debug Amnezia "LinuxRouteMonitor" "Adding route to ::/1"
2025-01-13 10:38:53 debug Amnezia "LinuxRouteMonitor" "Adding route to 8000::/1"
2025-01-13 10:38:53 debug Amnezia "Daemon" "Connection status: 1"
2025-01-13 10:38:53 debug Amnezia "DnsUtilsLinux" "Setting DNS domain: XXXXXXXX via amn0 search"
2025-01-13 10:38:53 debug Amnezia "Daemon" "Checking for handshake..."
2025-01-13 10:38:53 debug Amnezia "Daemon" "awaiting C9I9PfDjGHStnsOMU6iud5MZRULN2p8zh8l3KAbt6CY="
2025-01-13 10:38:53 debug Flush dns completed

Desktop:

• OS: Ubuntu 24.04.1 LTS

Server:

• Ubuntu-22.04

To fix an issue I tried:

• Add DNS-servers: 1.1.1.1, 1.0.0.1, 8.8.8.8
• Turn off "Use AmneziaDNS", "KillSwitch".
• Launch iptables, but it blocked when button connects in app
• Start systemd-resolved